Home / 20,301,535.14-28,017,890.46-11,135,949.36

Finding the Fourth Proportional to 20,301,535.14, 28,017,890.46 and 11,135,949.36

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Solution

The fourth proportional to 20,301,535.14, 28,017,890.46 and 11,135,949.36 is: 15,368,582.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,301,535.14 : 28,017,890.46 = 11,135,949.36 : x
  2. Step 2: Convert to fraction form
    20,301,535.14/28,017,890.46 = 11,135,949.36/x
  3. Step 3: Cross multiply
    20,301,535.14x = 28,017,890.46 × 11,135,949.36
  4. Step 4: Simplify right side
    20,301,535.14x = 312,005,809,336,587.12
  5. Step 5: Solve for x
    x = 312,005,809,336,587.12/20,301,535.14
  6. Step 6: Final answer
    x = 15,368,582.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.